1 files changed, 161 insertions, 0 deletions

diff --git a/qemu/roms/ipxe/src/include/ipxe/ib_packet.h b/qemu/roms/ipxe/src/include/ipxe/ib_packet.h
new file mode 100644
index 000000000..a959967cb
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/ib_packet.h
@@ -0,0 +1,161 @@
+#ifndef _IPXE_IB_PACKET_H
+#define _IPXE_IB_PACKET_H
+
+/** @file
+ *
+ * Infiniband packet format
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+struct ib_device;
+struct ib_queue_pair;
+struct ib_address_vector;
+struct io_buffer;
+
+/** An Infiniband Globally Unique Identifier */
+union ib_guid {
+	uint8_t bytes[8];
+	uint16_t words[4];
+	uint32_t dwords[2];
+};
+
+/** Infiniband Globally Unique Identifier debug message format */
+#define IB_GUID_FMT "%08x:%08x"
+
+/** Infiniband Globally Unique Identifier debug message arguments */
+#define IB_GUID_ARGS( guid ) \
+	ntohl ( (guid)->dwords[0] ), ntohl ( (guid)->dwords[1] )
+
+/** An Infiniband Global Identifier */
+union ib_gid {
+	uint8_t bytes[16];
+	uint16_t words[8];
+	uint32_t dwords[4];
+	struct {
+		union ib_guid prefix;
+		union ib_guid guid;
+	} s;
+};
+
+/** Infiniband Global Identifier debug message format */
+#define IB_GID_FMT IB_GUID_FMT ":" IB_GUID_FMT
+
+/** Infiniband Global Identifier debug message arguments */
+#define IB_GID_ARGS( gid ) \
+	IB_GUID_ARGS ( &(gid)->s.prefix ), IB_GUID_ARGS ( &(gid)->s.guid )
+
+/** An Infiniband Local Route Header */
+struct ib_local_route_header {
+	/** Virtual lane and link version */
+	uint8_t vl__lver;
+	/** Service level and next link header */
+	uint8_t sl__lnh;
+	/** Destination LID */
+	uint16_t dlid;
+	/** Packet length */
+	uint16_t length;
+	/** Source LID */
+	uint16_t slid;
+} __attribute__ (( packed ));
+
+/** Infiniband virtual lanes */
+enum ib_vl {
+	IB_VL_DEFAULT = 0,
+	IB_VL_SMP = 15,
+};
+
+/** An Infiniband Link Next Header value */
+enum ib_lnh {
+	IB_LNH_RAW = 0,
+	IB_LNH_IPv6 = 1,
+	IB_LNH_BTH = 2,
+	IB_LNH_GRH = 3
+};
+
+/** Default Infiniband LID */
+#define IB_LID_NONE 0xffff
+
+/** Test for multicast LID */
+#define IB_LID_MULTICAST( lid ) ( ( (lid) >= 0xc000 ) && ( (lid) <= 0xfffe ) )
+
+/** An Infiniband Global Route Header */
+struct ib_global_route_header {
+	/** IP version, traffic class, and flow label
+	 *
+	 *  4 bits : Version of the GRH
+	 *  8 bits : Traffic class
+	 * 20 bits : Flow label
+	 */
+	uint32_t ipver__tclass__flowlabel;
+	/** Payload length */
+	uint16_t paylen;
+	/** Next header */
+	uint8_t nxthdr;
+	/** Hop limit */
+	uint8_t hoplmt;
+	/** Source GID */
+	union ib_gid sgid;
+	/** Destiniation GID */
+	union ib_gid dgid;
+} __attribute__ (( packed ));
+
+#define IB_GRH_IPVER_IPv6 0x06
+#define IB_GRH_NXTHDR_IBA 0x1b
+
+/** An Infiniband Base Transport Header */
+struct ib_base_transport_header {
+	/** Opcode */
+	uint8_t opcode;
+	/** Transport header version, pad count, migration and solicitation */
+	uint8_t se__m__padcnt__tver;
+	/** Partition key */
+	uint16_t pkey;
+	/** Destination queue pair */
+	uint32_t dest_qp;
+	/** Packet sequence number and acknowledge request */
+	uint32_t ack__psn;
+} __attribute__ (( packed ));
+
+/** An Infiniband BTH opcode */
+enum ib_bth_opcode {
+	BTH_OPCODE_UD_SEND = 0x64,
+};
+
+/** An Infiniband Datagram Extended Transport Header */
+struct ib_datagram_extended_transport_header {
+	/** Queue key */
+	uint32_t qkey;
+	/** Source queue pair */
+	uint32_t src_qp;
+} __attribute__ (( packed ));
+
+/** All known IB header formats */
+union ib_headers {
+	struct ib_local_route_header lrh;
+	struct {
+		struct ib_local_route_header lrh;
+		struct ib_global_route_header grh;
+		struct ib_base_transport_header bth;
+		struct ib_datagram_extended_transport_header deth;
+	} __attribute__ (( packed )) lrh__grh__bth__deth;
+	struct {
+		struct ib_local_route_header lrh;
+		struct ib_base_transport_header bth;
+		struct ib_datagram_extended_transport_header deth;
+	} __attribute__ (( packed )) lrh__bth__deth;
+} __attribute__ (( packed ));
+
+/** Maximum size required for IB headers */
+#define IB_MAX_HEADER_SIZE sizeof ( union ib_headers )
+
+extern int ib_push ( struct ib_device *ibdev, struct io_buffer *iobuf,
+		     struct ib_queue_pair *qp, size_t payload_len,
+		     const struct ib_address_vector *dest );
+extern int ib_pull ( struct ib_device *ibdev, struct io_buffer *iobuf,
+		     struct ib_queue_pair **qp, size_t *payload_len,
+		     struct ib_address_vector *dest,
+		     struct ib_address_vector *source );
+
+#endif /* _IPXE_IB_PACKET_H */